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ls7camaro · 05-08-2009, 08:39 AM

Im gonna drop an ls7 engine in mine, and probably add a kenne bell 2.8, i was debating twin turbos as well, but i want this car to be as american as possible. Also the whine of a kb i think sounds so much better than hissing and popping of the turbos

Gentry78 · 05-09-2009, 07:31 AM

^^^old thread.

just do both

*DGthe3* · 05-09-2009, 10:16 AM

Quote:

Originally Posted by ls7camaro

Im gonna drop an ls7 engine in mine, and probably add a kenne bell 2.8, i was debating twin turbos as well, but i want this car to be as american as possible. Also the whine of a kb i think sounds so much better than hissing and popping of the turbos

If you're going to be going with forced induction, it might be better to use a smaller engine. The the LS7 can't handle too much boost.

blackedout010 · 05-09-2009, 10:20 AM

Quote:

Originally Posted by DGthe3

If you're going to be going with forced induction, it might be better to use a smaller engine. The the LS7 can't handle too much boost.

they can handle a lil. but to make a kb whine loud your gonna run lots. theres alota cheaper and better routes than the ls7

Warpick · 05-09-2009, 10:24 AM

Quote:

Originally Posted by blackedout010

they can handle a lil. but to make a kb whine loud your gonna run lots. theres alota cheaper and better routes than the ls7

Like the 454 LSX.

ls7camaro · 05-10-2009, 07:36 PM

not even if i rebuild the internals?

*DGthe3* · 05-10-2009, 08:11 PM

Quote:

Originally Posted by ls7camaro

not even if i rebuild the internals?

Its not the internals, its the walls. The increase in displacement comes from increasing the bore, not the stroke.

ls7camaro · 05-10-2009, 09:19 PM

how is there twin turbo, 1000hp ls7 corvettes?

ls7camaro · 05-10-2009, 09:52 PM

would it be ok with like 12psi? just a street tune

Warpick · 05-13-2009, 08:58 AM

Quote:

Originally Posted by DGthe3

Its not the internals, its the walls. The increase in displacement comes from increasing the bore, not the stroke.

Increasing your stroke also increases your displacement.

ls7camaro · 05-13-2009, 09:36 AM

yea, because displacement is stroke times bore

blackedout010 · 05-13-2009, 09:38 AM

Quote:

Originally Posted by ls7camaro

not even if i rebuild the internals?

yes you can witht the ls7. i was just saying you can get as good or better for a lil cheaper.

*DGthe3* · 05-13-2009, 01:45 PM

Quote:

Originally Posted by Warpick

Increasing your stroke also increases your displacement.

yes it does

Quote:

Originally Posted by ls7camaro

yea, because displacement is stroke times bore

Not quite. Displacement is area x stroke x number of cylinders.

The reason I brought up the issue of the cylinder walls is because the LS3 has roughly 25% more material between the cylinders compared to the LS7. So if you want to run a lot of boost, the LS3 could is the better choice. Thats why GM didn't start with the LS7 when making the supercharged LS9 for the ZR1 or the LSA in the CTS-V, they based them off of the LS3.

I'm not enough of an expert in the engines to know what the limit is for the engines, but if you plan on running moderate to high boost levels the smaller bore LS3 is a better choice than the LS7.

Quote:

Originally Posted by blackedout010

yes you can witht the ls7. i was just saying you can get as good or better for a lil cheaper.

My whole point with this is, just because you can, doesn't mean you should.

ls7camaro · 05-14-2009, 09:36 AM

so you think i could get more power out of an ls3 rather than the ls7 im going to add water meth injection but still will keep it around 12psi

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05-08-2009, 08:39 AM	#85
ls7camaro Drives: 2010 camaro Join Date: May 2009 Location: PA Posts: 395	Im gonna drop an ls7 engine in mine, and probably add a kenne bell 2.8, i was debating twin turbos as well, but i want this car to be as american as possible. Also the whine of a kb i think sounds so much better than hissing and popping of the turbos

05-09-2009, 07:31 AM	#86
Gentry78 HOOK'EM Drives: 97 c1500/92 olds Join Date: Oct 2008 Location: Texas Posts: 5,279	^^^old thread. just do both

05-10-2009, 07:36 PM	#90
ls7camaro Drives: 2010 camaro Join Date: May 2009 Location: PA Posts: 395	not even if i rebuild the internals?

05-10-2009, 09:19 PM	#92
ls7camaro Drives: 2010 camaro Join Date: May 2009 Location: PA Posts: 395	how is there twin turbo, 1000hp ls7 corvettes?

05-10-2009, 09:52 PM	#93
ls7camaro Drives: 2010 camaro Join Date: May 2009 Location: PA Posts: 395	would it be ok with like 12psi? just a street tune

05-13-2009, 09:36 AM	#95
ls7camaro Drives: 2010 camaro Join Date: May 2009 Location: PA Posts: 395	yea, because displacement is stroke times bore

05-14-2009, 09:36 AM	#98
ls7camaro Drives: 2010 camaro Join Date: May 2009 Location: PA Posts: 395	so you think i could get more power out of an ls3 rather than the ls7 im going to add water meth injection but still will keep it around 12psi